Ubuntu Root Password modification

After the installation of Ubuntu suddenly realized that the root password is not set, do not know the password will not be able to enter the root user. To search the Internet, it turns out this is the case. The default root password for Ubuntu is random, which means that each boot has a new root password. We can enter the command in the terminal sudo passwd, and then enter the current user's password, enter, the terminal will prompt us to enter a new password and confirm that the password at this time is the root of the new password. After the successful modification, enter the command Su root, and then enter the new password is OK.

Ubuntu Root Password modification